This
is the Latin 拉丁
lā dīng term for law 法律 fǎ
lǜ of retribution 报应 bào
yìng. It calls for the punishment that should
commensurate (to be corresponding in proportion / size / degree)
with the crime. The phrases
"an eye for an eye",
"wound for wound",
"stripe for stripe" and
"blood for blood"
are often used to describe lex talionis.